Multiple Democratic presidential candidates said Thursday that they won’t attend the American Israel Public Affairs Committee’s annual conference in Washington next week. Sen. Elizabeth Warren of Massachusetts, Sen. Bernie Sanders of Vermont, former U.S. Rep. Beto O’Rourke of Texas, Sen. Kamala Harris of California and Sen. Kirsten Gillibrand of New York, are among the 2020 contenders who have decided not to attend. Former Starbucks CEO Howard Schultz, who is considering an independent bid for president, will also avoid the AIPAC conference. It comes as the liberal advocacy group MoveOn has called on Democratic presidential candidates to skip this year’s policy...